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Leviathan Bones is a side quest in The Legend of Zelda: Breath of the Wild. It is given to Link by Akrah, who can be found at Serenne Stable. It requires pictures to be taken, via the Camera Rune, of the Hebra Great Skeleton, Eldin Great Skeleton and Gerudo Great Skeleton with the heads visible to complete.

Spoiler warning: Spoilers end here.